我正在使用 Ubuntu 并尝试使用 synaptic 安装其中包含“GLUT”一词的所有内容以及 SDL 和 opengl 。但一个简单的程序仍然无法编译。它显示了这一点：
opengl1.cpp:(.text+0xe): undefined reference to `glClear'
opengl1.cpp:(.text+0x1a): undefined reference to `glBegin'
opengl1.cpp:(.text+0x2e): undefined reference to `glVertex2i'
opengl1.cpp:(.text+0x33): undefined reference to `glEnd'
opengl1.cpp:(.text+0x38): undefined reference to `glFlush'
/tmp/ccnwQeLu.o: In function `MyInit()':
opengl1.cpp:(.text+0x4c): undefined reference to `glGetString'
opengl1.cpp:(.text+0x57): undefined reference to `std::cout'
opengl1.cpp:(.text+0x5c): undefined reference to `std::basic_ostream >& std::operator >(std::basic_ostream >&, unsigned char const*)'
opengl1.cpp:(.text+0x6c): undefined reference to `std::basic_ostream >& std::operator >(std::basic_ostream >&, char const*)'
opengl1.cpp:(.text+0x78): undefined reference to `glGetString'
opengl1.cpp:(.text+0x83): undefined reference to `std::cout'
opengl1.cpp:(.text+0x88): undefined reference to `std::basic_ostream >& std::operator >(std::basic_ostream >&, unsigned char const*)'
opengl1.cpp:(.text+0x98): undefined reference to `std::basic_ostream >& std::operator >(std::basic_ostream >&, char const*)'
opengl1.cpp:(.text+0xc0): undefined reference to `glClearColor'
opengl1.cpp:(.text+0xdf): undefined reference to `glColor3f'
opengl1.cpp:(.text+0xec): undefined reference to `glPointSize'
opengl1.cpp:(.text+0xf8): undefined reference to `glMatrixMode'
opengl1.cpp:(.text+0xfd): undefined reference to `glLoadIdentity'
opengl1.cpp:(.text+0x12d): undefined reference to `gluOrtho2D'
/tmp/ccnwQeLu.o: In function `main':
opengl1.cpp:(.text+0x14a): undefined reference to `glutInit'
opengl1.cpp:(.text+0x156): undefined reference to `glutInitDisplayMode'
opengl1.cpp:(.text+0x16d): undefined reference to `glutInitWindowSize'
opengl1.cpp:(.text+0x181): undefined reference to `glutInitWindowPosition'
opengl1.cpp:(.text+0x18d): undefined reference to `glutCreateWindow'
opengl1.cpp:(.text+0x19e): undefined reference to `glutDisplayFunc'
opengl1.cpp:(.text+0x1a3): undefined reference to `glutMainLoop'
/tmp/ccnwQeLu.o: In function `__static_initialization_and_destruction_0(int, int)':
opengl1.cpp:(.text+0x1cb): undefined reference to `std::ios_base::Init::Init()'
opengl1.cpp:(.text+0x1d0): undefined reference to `std::ios_base::Init::~Init()'
/tmp/ccnwQeLu.o:(.eh_frame+0x12): undefined reference to `__gxx_personality_v0'
collect2: ld returned 1 exit status
如果我使用 g++ 而不是 gcc，我会得到以下结果：
vim opebgl1.cpp
g++ opengl1.cpp -o opengl1 -lGL -lstdc++ -lc -lm
and then get this :
/tmp/ccCJBuIl.o: In function `MyInit()':
opengl1.cpp:(.text+0x12d): undefined reference to `gluOrtho2D'
/tmp/ccCJBuIl.o: In function `main':
opengl1.cpp:(.text+0x14a): undefined reference to `glutInit'
opengl1.cpp:(.text+0x156): undefined reference to `glutInitDisplayMode'
opengl1.cpp:(.text+0x16d): undefined reference to `glutInitWindowSize'
opengl1.cpp:(.text+0x181): undefined reference to `glutInitWindowPosition'
opengl1.cpp:(.text+0x18d): undefined reference to `glutCreateWindow'
opengl1.cpp:(.text+0x19e): undefined reference to `glutDisplayFunc'
opengl1.cpp:(.text+0x1a3): undefined reference to `glutMainLoop'
collect2: ld returned 1 exit status
那么我真正需要什么才能开始在 Ubuntu 中使用 opengl 呢？
将“-lstdc++ -lGL”添加到链接器标志中。
或者尝试像这样编译它：
g++ opengl1.cpp -o opengl1 -lGL -lGLU -lc -lm
（编辑：添加-lGLU，删除-lstdc++）
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